280595840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{62633}}^1$

素因数の和:62659

約数の個数: 64

約数和(自身を含む): 766640160

約数和(自身を除く): 486044320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 62633, 125266, 250532, 313165, 438431, 501064, 626330, 876862, 1002128, 1252660, 1753724, 2004256, 2192155, 2505320, 3507448, 4008512, 4384310, 5010640, 7014896, 8017024, 8768620, 10021280, 14029792, 17537240, 20042560, 28059584, 35074480, 40085120, 56119168, 70148960, 140297920, 280595840]

約数ペア:

[(1, 280595840), (2, 140297920), (4, 70148960), (5, 56119168), (7, 40085120), (8, 35074480), (10, 28059584), (14, 20042560), (16, 17537240), (20, 14029792), (28, 10021280), (32, 8768620), (35, 8017024), (40, 7014896), (56, 5010640), (64, 4384310), (70, 4008512), (80, 3507448), (112, 2505320), (128, 2192155), (140, 2004256), (160, 1753724), (224, 1252660), (280, 1002128), (320, 876862), (448, 626330), (560, 501064), (640, 438431), (896, 313165), (1120, 250532), (2240, 125266), (4480, 62633)]